[ignition] desugar async functions/generators/modules in BytecodeGenerator

src/parsing/parser.h

Index: src/parsing/parser.h
diff --git a/src/parsing/parser.h b/src/parsing/parser.h
index 934068d8f51e1787dadaf44e9964829bc61d0b7d..d95144c216a0e4e3988d84c58ddfb8e09452146d 100644
--- a/src/parsing/parser.h
+++ b/src/parsing/parser.h
@@ -344,10 +344,9 @@ class V8_EXPORT_PRIVATE Parser : public NON_EXPORTED_BASE(ParserBase<Parser>) {
   void ParseAndRewriteGeneratorFunctionBody(int pos, FunctionKind kind,
                                             ZoneList<Statement*>* body,
                                             bool* ok);
-  void CreateFunctionNameAssignment(const AstRawString* function_name, int pos,
-                                    FunctionLiteral::FunctionType function_type,
-                                    DeclarationScope* function_scope,
-                                    ZoneList<Statement*>* result, int index);
+  void CreateFunctionNameVariable(const AstRawString* function_name,
+                                  FunctionLiteral::FunctionType function_type,
+                                  DeclarationScope* function_scope);
 
   Statement* DeclareFunction(const AstRawString* variable_name,
                              FunctionLiteral* function, VariableMode mode,
@@ -549,8 +548,9 @@ class V8_EXPORT_PRIVATE Parser : public NON_EXPORTED_BASE(ParserBase<Parser>) {
       const AstRawString* function_name, int pos, FunctionKind kind,
       FunctionLiteral::FunctionType function_type,
       DeclarationScope* function_scope, int* num_parameters,
-      int* function_length, bool* has_duplicate_parameters,
-      int* materialized_literal_count, int* expected_property_count, bool* ok);
+      Block** parameter_init_block, int* function_length,
+      bool* has_duplicate_parameters, int* materialized_literal_count,
+      int* expected_property_count, bool* ok);
 
   void ThrowPendingError(Isolate* isolate, Handle<Script> script);
 
@@ -627,10 +627,7 @@ class V8_EXPORT_PRIVATE Parser : public NON_EXPORTED_BASE(ParserBase<Parser>) {
   friend class InitializerRewriter;
   void RewriteParameterInitializer(Expression* expr, Scope* scope);
 
-  Expression* BuildInitialYield(int pos, FunctionKind kind);
-  Assignment* BuildCreateJSGeneratorObject(int pos, FunctionKind kind);
   Expression* BuildResolvePromise(Expression* value, int pos);
-  Expression* BuildRejectPromise(Expression* value, int pos);
   Variable* PromiseVariable();
 
   // Generic AST generator for throwing errors from compiled code.
@@ -656,7 +653,6 @@ class V8_EXPORT_PRIVATE Parser : public NON_EXPORTED_BASE(ParserBase<Parser>) {
   V8_INLINE void PrepareAsyncFunctionBody(ZoneList<Statement*>* body,
                                           FunctionKind kind, int pos);
   V8_INLINE void RewriteAsyncFunctionBody(ZoneList<Statement*>* body,
-                                          Block* block,
                                           Expression* return_value, bool* ok);
 
   Expression* RewriteYieldStar(Expression* generator, Expression* expression,
@@ -1036,18 +1032,6 @@ class V8_EXPORT_PRIVATE Parser : public NON_EXPORTED_BASE(ParserBase<Parser>) {
         factory()->NewThrow(exception, pos), pos);
   }
 
-  V8_INLINE void AddParameterInitializationBlock(
-      const ParserFormalParameters& parameters, ZoneList<Statement*>* body,
-      bool is_async, bool* ok) {
-    if (parameters.is_simple) return;
-    auto* init_block = BuildParameterInitializationBlock(parameters, ok);
-    if (!*ok) return;
-    if (is_async) {
-      init_block = BuildRejectPromiseOnException(init_block);
-    }
-    if (init_block != nullptr) body->Add(init_block, zone());
-  }
-
   V8_INLINE void AddFormalParameter(ParserFormalParameters* parameters,
                                     Expression* pattern,
                                     Expression* initializer,